[PATCH] s390: fix invalid return code in sclp_cpi

When the sclp_cpi module is loaded on a system which does not support the
required SCLP call (e.g.  on z/VM), ENOSUPP is returned to user space.  The
correct return value is EOPNOTSUPP.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/s390/char/sclp_cpi.c

@@ -204,7 +204,7 @@ cpi_module_init(void)
 		printk(KERN_WARNING "cpi: no control program identification "
 		       "support\n");
 		sclp_unregister(&sclp_cpi_event);
-		return -ENOTSUPP;
+		return -EOPNOTSUPP;
 	}
 
 	req = cpi_prepare_req();